package net.pws.common.persistence;

/**
 * �ֹ���ָ��
 */
public interface OptimisticConcurrencyInstruction extends
                                                 PersistenceInstruction {
    
    /**
     * ��Ҫ���ð汾���Ƶ�Ŀ�����
     * 
     * @return
     */
    public Object getTarget();
    
    /**
     * �ϲ��ص�
     * 
     * @return
     */
    public MergeCallback getMergeCallback();
}
